Analysis
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max time kernel
150s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
22-05-2024 19:27
Static task
static1
Behavioral task
behavioral1
Sample
202405217c5f44f940a52cbe59eef9daefaf32afcryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
202405217c5f44f940a52cbe59eef9daefaf32afcryptolocker.exe
Resource
win10v2004-20240508-en
General
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Target
202405217c5f44f940a52cbe59eef9daefaf32afcryptolocker.exe
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Size
32KB
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MD5
7c5f44f940a52cbe59eef9daefaf32af
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SHA1
c668856964cdfcb2198f591a95ddd91be0d54f05
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SHA256
f075b1b582db6c3f78e5a4dea73e7c76f5b3f320c8a6e92a316308dbe2858a8b
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SHA512
88c7a9139434b24a7dfa1bc6d88c2e11e107aa9a3d2eed66b0e3d13d509beaa1f6e028e0c11d3e420d031bd9e9150df8feb16706fbcd26b3c068b4234b916873
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SSDEEP
384:bG74uGLLQRcsdeQ72ngEr4K7YmE8j60nrlwfjDUGTGXvJn:bG74zYcgT/Ekd0ryfjkJ
Malware Config
Signatures
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
202405217c5f44f940a52cbe59eef9daefaf32afcryptolocker.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Control Panel\International\Geo\Nation 202405217c5f44f940a52cbe59eef9daefaf32afcryptolocker.exe -
Executes dropped EXE 1 IoCs
Processes:
hasfj.exepid process 3208 hasfj.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious use of WriteProcessMemory 3 IoCs
Processes:
202405217c5f44f940a52cbe59eef9daefaf32afcryptolocker.exedescription pid process target process PID 776 wrote to memory of 3208 776 202405217c5f44f940a52cbe59eef9daefaf32afcryptolocker.exe hasfj.exe PID 776 wrote to memory of 3208 776 202405217c5f44f940a52cbe59eef9daefaf32afcryptolocker.exe hasfj.exe PID 776 wrote to memory of 3208 776 202405217c5f44f940a52cbe59eef9daefaf32afcryptolocker.exe hasfj.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\202405217c5f44f940a52cbe59eef9daefaf32afcryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\202405217c5f44f940a52cbe59eef9daefaf32afcryptolocker.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:776 -
C:\Users\Admin\AppData\Local\Temp\hasfj.exe"C:\Users\Admin\AppData\Local\Temp\hasfj.exe"2⤵
- Executes dropped EXE
PID:3208
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
33KB
MD5a39b1c154b7818d646dc3f377dbd408b
SHA1ce5a2eeee7919be47c9eb769d27f3d8fd434ce72
SHA256aca07d8596b3a657d17ff4e90c34d5aeca9f296f35bcea6fd2aab545a4c36683
SHA51235ce61880cd5d8ab2968547091427aab77202fc4b73fd9e7d5338cc7e4a4e639be761487e86c172dd5f152ec33a78dab60fd1329cb23cc0d51ce3b7fd4538ce4